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Financial Assets Included Within Long Term Investments Financial Assets Included Within Long Term Investments Member Financial assets included within long-term investments. Summary of Selected Quarterly Financial Data Quarterly Financial Information [Table Text Block] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Number of Options Outstanding, Options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Liquidation preference Preferred stock, aggregate liquidation preference Temporary Equity, Liquidation Preference IPO IPO [Member] Proceeds from issuance of Series A convertible preferred stock, net of issuance costs Proceeds from Issuance of Convertible Preferred Stock Number of Options Outstanding, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Forward stock split ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Income Statement Location Income Statement Location [Domain] Property, Plant and Equipment [Abstract] Unvested restricted awards Number of Restricted Stock Awards Number of Restricted Stock Awards Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Operating lease liabilities Deferred Tax Assets Operating Lease Liability Deferred tax assets, operating lease liability. Balance (in shares) Balance (in shares) Shares, Outstanding Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Selected Quarterly Financial Data (Unaudited) Quarterly Financial Information [Text Block] Number of Options Outstanding Number of Options Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Document Fiscal Year Focus Document Fiscal Year Focus Restricted Stock, Issued and Outstanding Restricted stock, issued and outstanding. Restricted Stock Issued and Outstanding [Member] 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Interest and other income, net Interest and other income, net Interest and Other Income Net loss per share, basic Earnings Per Share, Basic Earnings Per Share, Basic, Total Assets Assets [Abstract] Net deferred tax assets Deferred Tax Assets, Net Reconciliation of cash, cash equivalents, and restricted cash: Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract] Stock Options, Issued and Outstanding Stock Options Issued and Outstanding [Member] Stock options issued and outstanding. Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Tax Year 2021 Tax Year 2021 [Member] Financial Instrument Financial Instrument [Axis] Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Property and Equipment, Net Property, Plant and Equipment, Policy [Policy Text Block] Fair value assets transferred from level 1 to level 2 Fair Value Asset Level 1 To Level 2 Transfer Amount Fair value asset level 1 to level 2 transfer amount. Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Income Tax Authority Income Tax Authority [Axis] Number of letters of credit issued to landlord constituting restricted cash Number Of Stand By Letters Of Credit Consisted In Restricted Cash Number of stand-by letters of credit consisted in restricted cash. Total deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Current assets: Assets, Current [Abstract] Series A convertible preferred stock issuance costs Temporary Equity Stock Issued During Period Financing Costs Temporary equity, stock issued during period, financing costs. Computer Equipment Computer [Member] Computer. Summary of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Amortization Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amortization, Percent Increases for tax provisions related to prior year Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Operating sublease, term of contract Operating Sublease Term Of Contract Operating sublease term of contract. Original issue price Temporary Equity, Liquidation Preference Per Share Cover [Abstract] Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total Interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Number of Restricted Stock Awards, Released Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Current liabilities: Liabilities, Current [Abstract] Maximum [Member] Maximum [Member] Unrealized gain (loss) on investments, net OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Summary of Stock-Based Compensation Expense Recorded in Statements of Operations and Allocated Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Furniture and Fixtures Furniture and Fixtures [Member] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Number of Options Outstanding, Exercised Exercise of stock options, (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Level 3 Fair Value, Inputs, Level 3 [Member] Issuance of Series A convertible preferred stock, issuance costs Temporary Equity Stock Issued Issuance Costs Temporary equity stock issued issuance costs. Use of Estimates Use of Estimates, Policy [Policy Text Block] Deferred Tax Liabilities, Gross, Total Total deferred tax liabilities Deferred Tax Liabilities, Gross Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Segments Segment Reporting, Policy [Policy Text Block] Long-Term Investments, Total Long-term investments Long-Term Investments Useful lives of property and equipment Property, Plant and Equipment, Useful Life Effective Income Tax Rate Reconciliation, Tax Credit, Percent, Total Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Percent Common stock, shares authorized Common Stock, Shares Authorized Operating lease, lease commenced, expiration period Lessee Operating Lease Lease Commenced Expiration Period Lessee​ operating ​lease ​lease ​commenced​ expiration ​period. Trading Symbol Trading Symbol Title of Individual Title of Individual [Domain] Subsequent Event Type Subsequent Event Type [Axis] Non-cash operating lease expense Operating Lease, Right-of-Use Asset, Amortization Expense Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Accounts Payable, Current, Total Accounts payable Accounts Payable, Current Loans Payable, Current, Total Loan payable Loans Payable, Current Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Increase (Decrease) in Other Operating Assets, Total Other assets Increase (Decrease) in Other Operating Assets Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Title of Individual Title of Individual [Axis] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Amount paid as deposit in connection with sublease included in other assets Amount Paid As Deposit In Connection With Sublease Included In Other Assets Amount paid as deposit in connection with sublease included in other assets. Common stock, par value Common Stock, Par or Stated Value Per Share Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Conversion of Series A convertible preferred stock into common stock Stock Issued During Period, Value, Conversion of Convertible Securities TaxYear2022 Tax Year 2022 [Member] Restricted stock awards granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Useful lives of property and equipment Property, Plant and Equipment, Estimated Useful Lives Weighted Average Exercise Price, Granted Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Accrued research and development materials and services Accrued Research And Development Materials And Services Accrued research and development materials and services. Anti Dilutive Shares Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Non-cash financing and investing activities: Noncash Investing and Financing Items [Abstract]